refactor(domain): move DB string conversions out of domain enums

crates/domain/src/models/social.rs

@@ -25,22 +25,6 @@ pub enum FollowState {
     Accepted,
     Rejected,
 }
-impl FollowState {
-    pub fn from_db_str(s: &str) -> Self {
-        match s {
-            "pending" => Self::Pending,
-            "rejected" => Self::Rejected,
-            _ => Self::Accepted,
-        }
-    }
-    pub fn as_str(&self) -> &str {
-        match self {
-            Self::Pending => "pending",
-            Self::Accepted => "accepted",
-            Self::Rejected => "rejected",
-        }
-    }
-}
 
 #[derive(Debug, Clone)]
 pub struct Follow {